American Trust Investment Advisors, LLC - Q42025 Holdings

American Trust Investment Advisors, LLC holds 77 stocks with a total portfolio value of $ 187.01M as of Q42025. In Q42025, American Trust Investment Advisors, LLC added 1 new position, increased stakes in 33 stocks, reduced 19 holdings, and fully exited 5 positions. The largest holding is Berkshire Hathaway Inc Del (BRK-B), representing 7.28% of the total portfolio.